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Jet Planer

dfiler2

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I bought a used 15" Jet planer today, I tried the unit out and it works great. I got home and downloaded the manual and it says it should be connected to a dedicated minimum 30 amp circuit. The cord, which looks like it came with the unit, has a 20 amp 240 volt plug and is 12-3. I am going to run a dedicated 30 amp circuit and put a 30 amp plug on, but, do I need to replace the cord?

I'm going to build a different base for it, I just built the dolly to get it off the trailer.

Thanks
 

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dfiler2

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This is what has me confused, I'm almost certain the unit came with a 12-3 cord. The grommets/strain reliefs are specific to the cord and it doesn't make sense that someone would change it to something lighter. I assume that if it's on a 30 amp circuit as the manual suggests, it should be 10-3, right?
 

404

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The breaker size protects the wire in the building, not what is plugged into it.
 

pattenp

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If the manual says 30A circuit doesn't necessarily mean that the planer came with a #10 cord. But it will need a 30A rated plug on the cord if you put it on a 30A circuit. You are not to put a 20A outlet on a 30A circuit to use the existing 20A plug that's on the cord. If the cord is getting really warm to the touch when using the planer then up it to a #10 for the peace of mind.

Edit: I looked at a couple of manuals and it appears that the cord comes installed on the planer and you need to add the correct plug if a plug is used. In this case it's a 6-30P.


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dfiler2

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Right, I would not use the plug that's on the machine on a 30 amp circuit, my question was can I use the 12-3 cord and it sounds like if it does not get warm I should be ok.

Thanks
 

shoot summ

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In the manual I found for the 15" planer there is a table that shows for 30a you should be using 10ga cord...
 
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dfiler2

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hmm... I've got the manual for the machine I have and there is no table, do you have a link to what you found, thanks.
 

pattenp

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In the manual I found for the 15" planer there is a table that shows for 30a you should be using 10ga cord...

That table is for extension cords, not the installed cord on the planer.


I'm looking at manual for newer 15" Jet planer on the Jet site.


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simpler=better

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You're probably fine.

My best guess: They tell you to run a 30A circuit so that the 20A planer won't be using 100% of a 20A circuit when in use, it will be using 66% of a 30A circuit when in use.
 

sberry

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It came with the 12 cord. I believe it has its own thermal.
The breaker size protects the wire in the building, not what is plugged into it.
Yes and no and sort of. The cord needs to be adequate for the load and sized for short circuit protection to 30A. There is a limit the machine can be plugged on to.
 
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